原声例句
-
I'm frustrated that I can't concentrate on my homework.
我没法把注意力集中在我的作业上，真令人泄气。
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$firstVoiceSent
- 来自原声例句
I'm frustrated that I can't concentrate on my homework.
我没法把注意力集中在我的作业上，真令人泄气。
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